Using PhoneGap to create an Android APK

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Purpose

The purpose of this tutorial is to show how to use PhoneGap to turn an App Studio project into a native Android app (.apk).

Normally, App Studio produces webapps, which are installed through the browser and can be saved to the Home screen. If you want to create an app which is distributed as an Android APK file, you need to compile it using the Android SDK. PhoneGap lets you do this with no change to your code.

PhoneGap also gives you access to features that are not available to App Studio. These include the compass, contacts and notifications. In addition, you can develop your own native code extensions. Here's a good introduction to creating PhoneGap plugins.

PhoneGap has two methods of doing this. The easier one is PhoneGap Build. Use "Build Native App with PhoneGap" on the Run menu to upload your project to their site. In a few minutes, you can download app-store ready apps for Apple iOS, Google Android and Windows Phone.

The more complex method is the PhoneGap CLI. You will need to download the full development SDK, install and configure, then compile on your own machine. This method is free, but can be time consuming and tricky to set up.

Here is a full comparison of Web Apps vs. PhoneGap apps.

PhoneGap Build

To use PhoneGap Build, choose "Build Native App with PhoneGap" under the Run menu. Your app will be uploaded to PhoneGap's compilation service. You can check on the status of the builds using "Get Native Build Status". Files are usually ready to download in a minute or so.

AppStudio installs with a demo PhoneGap Build account. You'll want to set up your own account for your use. It's quick and easy to do. Here's a video on using PhoneGap Build: https://www.youtube.com/watch?v=EjP8oknI6Mw

PhoneGap has a handy debugger - it's essential when things go wrong.

PhoneGap CLI

Information on using the PhoneGap CLI with AppStudio is here.

PhoneGap Debugger

You can debug a PhoneGap app (created from NSB AppStudio) on the Android Emulator. Here's how:

1. open a DOS console

2. launch emulator on my "nsb" image (created with [AndroidSDK_PATH]\AVD Manager.exe) 

[AndroidSDK_PATH]\tools\emulator.exe -avd nsb

3. install pkg on the only launched emulator 

[AndroidSDK_PATH]\platform-tools\tools\adb.exe -e install e:\MyApp-debug.apk

or reinstall: 

[AndroidSDK_PATH]\platform-tools\tools\adb.exe -e install -r e:\MyApp_Test-debug.apk)

4. show Android emulator logs in the DOS console 

[AndroidSDK_PATH]\platform-tools\tools\adb.exe logcat

or show only PhoneGap logs in the DOS Console

[AndroidSDK_PATH]\platform-tools\tools\adb.exe logcat CordovaLog:D *:S

see: http://wildermuth.com/2013/4/30/Debugging_PhoneGap_with_the_Android_Console

Google Play Store

To list your app in the Google Play Store (or build a non-debug .apk), you will need to sign it. Here's a video showing how:

http://www.youtube.com/watch?v=26pWIWj9QRk

PhoneGap's documentation is here:

http://docs.build.phonegap.com/en_US/signing_signing-android.md.html

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